Session.php

Session.php

<?php

declare(strict_types=1);

namespace FrameWork\App;

use DataBase\UserAccount;
use Exception;

class Session
{
    /**
     * @var Session|null
     */

    private static ?Session $instance = null;

    /**
     * Description: Auto-Instance Helper for static development class BugCatcher.
     * @return Session
     */

    public static function getInstance(): Session
    {
        if (!self::$instance instanceof self) {
            self::$instance = new self();
        }

        return self::$instance;
    }

    /**
     * @var float
     */
    private float $startTime;

    /**
     * @var float
     */
    private float $startMemory;

    /**
     * @param float $startTime
     * @param float $startMemory
     * @return void
     */
    public function initSession(float $startTime, float $startMemory): void
    {
        $this->setStartTime($startTime);
        $this->setStartMemory($startMemory);
        if (!isset($_SESSION)) {
            $this->setSessionName();
            $this->setSessionParams();
        }
        $this->startSession();
        if (!isset($_SESSION['SES_START'])) {
            $this->setSessionVariable();
        } else {
            $this->evaluateSession();
        }
    }

    /**
     * @return void
     */
    private function setSessionName(): void
    {
        session_name($_SERVER['CONFIG']['SESSION']['SESSION_NAME']);
    }

    /**
     * @return void
     */
    private function setSessionParams(): void
    {
        $lifetime = (int)$_SERVER['CONFIG']['SESSION']['SESSION_LIFETIME'] + time();
        $secure = $_SERVER['CONFIG']['SESSION']['SESSION_SECURE'];
        $httponly = $_SERVER['CONFIG']['SESSION']['SESSION_HTTPONLY'];
        $sameSite = $_SERVER['CONFIG']['SESSION']['SESSION_SAME_SITE'];
        session_set_cookie_params(
            [
                'lifetime' => $lifetime, //mean 2678400
                'path' => '/',
                'domain' => $_SERVER['HTTP_HOST'], //mean domain
                'secure' => $secure, //is set to false
                'httponly' => $httponly, //is set to true
                'samesite' => $sameSite, //is set to lax
            ]
        );
    }

    /**
     * @return void
     */
    private function startSession(): void
    {
        session_start();
    }

    /**
     * @return void
     */
    private function setSessionVariable(): void
    {
        $_SESSION['SESSION_START'] = true;
        $_SESSION['SESSION_LANG'] = $_SERVER['CONFIG']['HOST']['LANG'] ?? $_SERVER['LANG'];
        $_SESSION['SESSION_ACTIVITY_EXPIRE'] = time() + (int)$_SERVER['CONFIG']['SESSION']['SESSION_ACTIVITY_EXPIRE'];
        $_SESSION['START_TIME'] = $this->getStartTime();
        $_SESSION['START_MEMORY'] = $this->getStartMemory();
    }

    /**
     * @return float
     */
    public function getStartTime(): float
    {
        return $this->startTime;
    }

    /**
     * @param float $startTime
     */
    public function setStartTime(float $startTime): void
    {
        $this->startTime = $startTime;
    }

    /**
     * @return float
     */
    public function getStartMemory(): float
    {
        return $this->startMemory;
    }

    /**
     * @param float $startMemory
     */
    public function setStartMemory(float $startMemory): void
    {
        $this->startMemory = $startMemory;
    }
}